Base | Representation |
---|---|
bin | 110000111000… |
… | …100010101001 |
3 | 220010001012022 |
4 | 300320202221 |
5 | 11240031010 |
6 | 1134354225 |
7 | 213631034 |
oct | 60704251 |
9 | 26101168 |
10 | 12814505 |
11 | 7262800 |
12 | 435b975 |
13 | 2868962 |
14 | 19b801b |
15 | 11d1d55 |
hex | c388a9 |
12814505 has 24 divisors (see below), whose sum is σ = 17236800. Its totient is φ = 9136160.
The previous prime is 12814471. The next prime is 12814507. The reversal of 12814505 is 50541821.
It is a de Polignac number, because none of the positive numbers 2k-12814505 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12814507) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35516 + ... + 35874.
It is an arithmetic number, because the mean of its divisors is an integer number (718200).
Almost surely, 212814505 is an apocalyptic number.
It is an amenable number.
12814505 is a deficient number, since it is larger than the sum of its proper divisors (4422295).
12814505 is a wasteful number, since it uses less digits than its factorization.
12814505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 445 (or 434 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 26.
The square root of 12814505 is about 3579.7353254116. The cubic root of 12814505 is about 234.0097458624.
The spelling of 12814505 in words is "twelve million, eight hundred fourteen thousand, five hundred five".
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